lockpps - Anobium/Great-Cow-BASIC-Help GitHub Wiki

LockPPS

Syntax:

    LOCKPSS

Explanation:

Peripheral Pin Select (PPS) has an operation mode in which all input and output selections can be prevented to stop inadvertent changes.

PPS selections are locked by setting by the use of the LockPPS command.

Using this command will ensure the special sequence of Microchip assembler is handled correctly.

Command Availability:

Available on all Microchip microcontrollers only.

    #chip 16f18855,32
    #option explicit

    'Set the PPS of the I2C and the RS232 ports.
    #startup InitPPS, 85
    Sub InitPPS
      UNLOCKPPS
        RC0PPS = 0x0010       'RC0->EUSART:TX;
        RXPPS  = 0x0011       'RC1->EUSART:RX;

        SSP1CLKPPS = 0x14     'RC3->MSSP1:SCL1;
        SSP1DATPPS = 0x13     'RC4->MSSP1:SDA1;
        RC3PPS = 0x15         'RC3->MSSP1:SCL1;
        RC4PPS = 0x14         'RC4->MSSP1:SDA1;
      LOCKPPS
    End Sub

For more help, see: UnlockPPS.

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